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Finding the Fourth Proportional to 268,011.16, 402,104.10 and 134,822.68

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Solution

The fourth proportional to 268,011.16, 402,104.10 and 134,822.68 is: 202,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,011.16 : 402,104.10 = 134,822.68 : x
  2. Step 2: Convert to fraction form
    268,011.16/402,104.10 = 134,822.68/x
  3. Step 3: Cross multiply
    268,011.16x = 402,104.10 × 134,822.68
  4. Step 4: Simplify right side
    268,011.16x = 54,212,752,400.99
  5. Step 5: Solve for x
    x = 54,212,752,400.99/268,011.16
  6. Step 6: Final answer
    x = 202,277.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.